#include <BasicSingleVertexState.h>

Inheritance diagram for BasicSingleVertexState:

Public Member Functions
	BasicSingleVertexState ()
	BasicSingleVertexState (const GlobalPoint &pos, const GlobalError &posErr, const double &weightInMix=1.0)
	BasicSingleVertexState (const AlgebraicVector3 &weightTimesPosition, const GlobalWeight &posWeight, const double &weightInMix=1.0)
	BasicSingleVertexState (const GlobalPoint &pos, const GlobalWeight &posWeight, const double &weightInMix=1.0)
virtual BasicSingleVertexState *	clone () const
GlobalError	error () const
bool	isValid () const
GlobalPoint	position () const
GlobalWeight	weight () const
double	weightInMixture () const
AlgebraicVector3	weightTimesPosition () const
Private Member Functions
void	computeError () const
void	computePosition () const
void	computeWeight () const
void	computeWeightTimesPos () const
Private Attributes
GlobalError	theErr
bool	theErrAvailable
GlobalPoint	thePos
bool	thePosAvailable
GlobalWeight	theWeight
bool	theWeightAvailable
double	theWeightInMix
AlgebraicVector3	theWeightTimesPos
bool	theWeightTimesPosAvailable
bool	valid

Detailed Description

Single state measurement of a vertex. Some data is calculated on demand to improve performance.

Definition at line 13 of file BasicSingleVertexState.h.

Constructor & Destructor Documentation

BasicSingleVertexState::BasicSingleVertexState ( )

Constructors

Definition at line 4 of file BasicSingleVertexState.cc.

Referenced by clone().

  : thePos(GlobalPoint(0, 0, 0)), thePosAvailable(false),
    theErr(AlgebraicSymMatrix33()), theErrAvailable(false),
    theWeight(AlgebraicSymMatrix33()), theWeightAvailable(false),
    theWeightTimesPos(AlgebraicVector3()), theWeightTimesPosAvailable(false),
    valid(false), theWeightInMix(0.)
{}

BasicSingleVertexState::BasicSingleVertexState	(	const GlobalPoint &	pos,
		const GlobalError &	posErr,
		const double &	weightInMix = `1.0`
	)

Definition at line 13 of file BasicSingleVertexState.cc.

  : thePos(pos), thePosAvailable(true),
    theErr(posErr), theErrAvailable(true),
    theWeight(AlgebraicSymMatrix33()), theWeightAvailable(false),
    theWeightTimesPos(AlgebraicVector3()), theWeightTimesPosAvailable(false),
    valid(true), theWeightInMix(weightInMix)
{}

BasicSingleVertexState::BasicSingleVertexState	(	const GlobalPoint &	pos,
		const GlobalWeight &	posWeight,
		const double &	weightInMix = `1.0`
	)

Definition at line 24 of file BasicSingleVertexState.cc.

  : thePos(pos), thePosAvailable(true),
    theErr(AlgebraicSymMatrix33()), theErrAvailable(false),
    theWeight(posWeight), theWeightAvailable(true),
    theWeightTimesPos(AlgebraicVector3()), theWeightTimesPosAvailable(false),
    valid(true), theWeightInMix(weightInMix)
{}

BasicSingleVertexState::BasicSingleVertexState	(	const AlgebraicVector3 &	weightTimesPosition,
		const GlobalWeight &	posWeight,
		const double &	weightInMix = `1.0`
	)

Definition at line 35 of file BasicSingleVertexState.cc.

  : thePos(GlobalPoint(0, 0, 0)), thePosAvailable(false),
    theErr(AlgebraicSymMatrix33()), theErrAvailable(false),
    theWeight(posWeight), theWeightAvailable(true),
    theWeightTimesPos(weightTimesPosition), theWeightTimesPosAvailable(true),
    valid(true), theWeightInMix(weightInMix)
{//std::cout <<"BasicSingleVertexState ctor\n";
}

Member Function Documentation

virtual BasicSingleVertexState* BasicSingleVertexState::clone ( void ) const [inline, virtual]

Access methods

Implements BasicVertexState.

Definition at line 30 of file BasicSingleVertexState.h.

References BasicSingleVertexState().

  {
    return new BasicSingleVertexState(*this);
  }

void BasicSingleVertexState::computeError ( ) const [private]

Definition at line 100 of file BasicSingleVertexState.cc.

References GlobalErrorBase< T, ErrorWeightType >::matrix(), theErr, theErrAvailable, valid, and weight().

Referenced by error().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  int ifail;
  theErr = weight().matrix().Inverse(ifail);
  if (ifail != 0) throw VertexException("BasicSingleVertexState::could not invert weight matrix");
  theErrAvailable = true;
}

void BasicSingleVertexState::computePosition ( ) const [private]

Definition at line 91 of file BasicSingleVertexState.cc.

References error(), GlobalErrorBase< T, ErrorWeightType >::matrix_new(), pos, thePos, thePosAvailable, valid, and weightTimesPosition().

Referenced by position().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  AlgebraicVector3 pos = error().matrix_new()*weightTimesPosition();
  thePos = GlobalPoint(pos[0], pos[1], pos[2]);
  thePosAvailable = true;
}

void BasicSingleVertexState::computeWeight ( ) const [private]

Definition at line 110 of file BasicSingleVertexState.cc.

References error(), GlobalErrorBase< T, ErrorWeightType >::matrix(), theWeight, theWeightAvailable, and valid.

Referenced by weight().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  int ifail;
  theWeight = error().matrix().Inverse(ifail);
  if (ifail != 0) throw VertexException("BasicSingleVertexState::could not invert error matrix");
  theWeightAvailable = true;
}

void BasicSingleVertexState::computeWeightTimesPos ( ) const [private]

Definition at line 120 of file BasicSingleVertexState.cc.

References GlobalErrorBase< T, ErrorWeightType >::matrix_new(), pos, position(), theWeightTimesPos, theWeightTimesPosAvailable, valid, weight(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by weightTimesPosition().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  AlgebraicVector3 pos; pos(0) = position().x();
  pos(1) = position().y(); pos(2) = position().z();
  theWeightTimesPos = weight().matrix_new()*pos;
  theWeightTimesPosAvailable = true;
}

GlobalError BasicSingleVertexState::error ( ) const [virtual]

Implements BasicVertexState.

Definition at line 54 of file BasicSingleVertexState.cc.

References computeError(), theErr, theErrAvailable, and valid.

Referenced by computePosition(), and computeWeight().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  if (!theErrAvailable) computeError();
  return theErr;
}

bool BasicSingleVertexState::isValid ( void ) const [inline, virtual]

The validity of the vertex

Implements BasicVertexState.

Definition at line 44 of file BasicSingleVertexState.h.

References valid.

{return valid;}

GlobalPoint BasicSingleVertexState::position ( ) const [virtual]

Access methods

Implements BasicVertexState.

Definition at line 46 of file BasicSingleVertexState.cc.

References computePosition(), thePos, thePosAvailable, and valid.

Referenced by computeWeightTimesPos().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  if (!thePosAvailable) computePosition();
  return thePos;
}

GlobalWeight BasicSingleVertexState::weight ( void ) const [virtual]

Implements BasicVertexState.

Definition at line 62 of file BasicSingleVertexState.cc.

References computeWeight(), theWeight, theWeightAvailable, and valid.

Referenced by computeError(), and computeWeightTimesPos().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  if (!theWeightAvailable) computeWeight();
  return theWeight;
}

double BasicSingleVertexState::weightInMixture ( ) const [virtual]

Implements BasicVertexState.

Definition at line 78 of file BasicSingleVertexState.cc.

References theWeightInMix, and valid.

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  return theWeightInMix;
}

AlgebraicVector3 BasicSingleVertexState::weightTimesPosition ( ) const [virtual]

Implements BasicVertexState.

Definition at line 70 of file BasicSingleVertexState.cc.

References computeWeightTimesPos(), theWeightTimesPos, theWeightTimesPosAvailable, and valid.

Referenced by computePosition().

{
  if (!valid) throw VertexException("BasicSingleVertexState::invalid");
  if (!theWeightTimesPosAvailable) computeWeightTimesPos();
  return theWeightTimesPos;
}